LT3742 - 2-Phase Step-Down Switching Controller

Product Overview

Linear Technology Corporation

Datasheet Details

Part number	LT3742
Manufacturer	Linear Technology Corporation
File Size	296.71 KB
Description	2-Phase Step-Down Switching Controller
Datasheet	LT3742 Datasheet
Additional preview pages of the LT3742 datasheet.

Product details

Description

The LT®3742 is a dual step-down DC/DC switching regulator controller that drives high side N-channel power MOSFETs.

A 500kHz fixed frequency current mode architecture provides fast transient response with simple loop compensation components and cycle-by-cycle current limiting.

Features

n Wide Input Voltage Range: 4V to 30V n Wide Output Voltage Range: 0.8V to VIN n Low Shutdown IQ: 20µA n Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise n 0.8V ±1.5% Voltage Reference n 500kHz Current Mode Fixed Frequency Operation n Internal Boost Converter Provides Bias Rail for N-channel MOSFET Gate Drive n Power Good Voltage Monitor for Each Output n Programmable Soft-Start n 24-Lead 4mm × 4mm × 0.75mm Package.

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Published: Jan 14, 2009 |